/* Sfondo scuro e impostazioni generali */
body { 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
    text-align: center; 
    background-color: #121212; 
    color: #ffffff; 
    margin: 0; 
    padding: 0; 
}

/* Header compatto */
header { 
    background-color: #1f1f1f; 
    padding: 20px 20px; 
    border-bottom: 2px solid #333; 
    position: relative; 
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

header h1 { margin: 0; font-size: 1.6rem; color: #3498db; }

#reset-btn { 
    padding: 8px 20px; 
    border-radius: 20px; 
    border: none; 
    background-color: #e74c3c; 
    color: white; 
    font-weight: bold; 
    cursor: pointer;
    font-size: 0.9rem;
}

/* --- ZONA SEGRETA: ORIZZONTALE E LARGA --- */
#secret-zone {
    position: absolute; 
    top: 50%; 
    right: 20px; 
    transform: translateY(-50%); 
    z-index: 1000;
    background: #2c3e50; 
    padding: 8px 15px; /* Meno padding sopra/sotto, più ai lati */
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    border: 1px solid #34495e;
}

#secret-card-container {
    display: flex;
    flex-direction: row; /* Disposizione orizzontale */
    align-items: center;
    gap: 12px; /* Spazio tra foto e testi */
}

#secret-photo { 
    width: 55px; /* Più bassa */
    height: 55px; 
    object-fit: cover; 
    border-radius: 6px; 
}

.secret-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

#secret-name { 
    font-size: 0.85rem; 
    margin: 0 0 5px 0; 
    font-weight: bold; 
    color: #ecf0f1;
}

#btn-blur { 
    background: #3498db; 
    border: none; 
    color: white; 
    border-radius: 4px; 
    padding: 2px 8px; 
    cursor: pointer;
    font-size: 0.8rem;
}

/* --- GRIGLIA CENTRATA --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, 130px); 
    gap: 20px;
    padding: 30px 20px;
    max-width: 1000px;
    margin: 0 auto; 
    justify-content: center; 
}

.casella-wrapper { position: relative; }

.casella {
    overflow: hidden;
    border-radius: 15px;
    background-color: #1e1e1e;
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
    cursor: pointer;
}

.casella img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }

.casella p { 
    margin: 0; 
    padding: 10px 5px; 
    font-size: 0.9rem; 
    font-weight: 600; 
    color: #ecf0f1; 
    background: #252525; 
}

.casella.spenta { filter: grayscale(100%) brightness(15%); opacity: 0.6; }

.btn-select {
    position: absolute; 
    top: -5px; 
    left: -5px;
    background: #f1c40f; 
    border: none;
    color: #2c3e50;
    border-radius: 50%; 
    width: 30px; 
    height: 30px; 
    font-size: 1rem;
    cursor: pointer; 
    z-index: 10;
}
/* Posizionamento assoluto per staccarlo dal flusso del gioco */
.back-navigation {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 1000; /* Lo tiene sopra le caselle del gioco */
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #888;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    transition: color 0.2s, transform 0.2s;
    background: rgba(0, 0, 0, 0.3); /* Leggero sfondo per leggibilità sulle foto */
    padding: 8px 12px;
    border-radius: 6px;
}

.btn-back:hover {
    color: #fff;
    transform: translateX(-3px);
    background: rgba(0, 0, 0, 0.6);
}

/* Assicurati che l'header non si sovrapponga se lo schermo è piccolo */
header {
    padding-top: 40px; 
}

.invisible-content { filter: brightness(0); opacity: 0; transition: 0.3s; }
.show-content { filter: brightness(1) !important; opacity: 1 !important; }


.hidden { display: none; }